Back rest/head rest



FIG. 1 is a left side perspective view of our new design of a back rest/head rest;

FIG. 2 is a front elevational view of our new design of a back rest/head rest;

FIG. 3 is a rear elevational view of our new design of a back rest/head rest;

FIG. 4 is a right side elevational view of our new design of a back rest/head rest;

FIG. 5 is a left side elevational view of our new design of a back rest/head rest;

FIG. 6 is a top plan view of our new design of a back rest/head rest; and,

FIG. 7 is a bottom plan view of our new design of a back rest/head rest. 

The ornamental design for a back rest/head rest, as shown and described. 